Ferocactus horridus - Barrel cactus

Ferocactus horridus belongs to the group of "barrel cacti". This is an imposing species with a globular habit that becomes cylindrical with age. It is recognisable by its long, curved thorns, ranging from red to dark brown. Native to Mexico, it thrives only in a hot, dry climate, in full sun. This not very hardy cactus can tolerate temperatures down to -4°C when kept dry. It is most often grown in pots, which allows it to be protected from frost in winter.

Ferocactus horridus, belonging to the Cactaceae family, is native to Baja California in Mexico, where it grows on arid, rocky hills. Its current accepted scientific name is Ferocactus peninsulae. This cactus has a stem that is initially globular and becomes cylindrical with age. It can reach up to 2.5 m in height and about 50 cm in diameter when planted in the ground. In cultivation, its growth is slow, and potted specimens rarely exceed 1 m in height. It generally does not produce offsets, maintaining a solitary habit. Its flowers, appearing at the top of the plant in summer, are yellow with red edges and measure 4-5 cm long. Flowering usually occurs when the plant reaches a diameter of 15 to 18 cm, but it is rare indoors. The lemon-yellow fruits ripen after flowering. The sturdy and curved thorns range from red to dark brown and may lighten with age. The stem is dark green with well-defined ribs. The root system consists mainly of shallow fibrous roots adapted to arid conditions. In its natural habitat, this barrel cactus is sometimes used by local wildlife as a source of water during droughts, with animals consuming its succulent tissues for hydration.

In an arid coastal garden or on a sunny terrace, Ferocactus horridus stands out as a living sculpture. In a rock garden, it will be enhanced by the pink, airy flowering of a Muhlenbergia capillaris. In a pot, it makes an excellent choice for a Mediterranean terrace, paired with a Mangave 'Bloodspot', with rosettes speckled in red, and an upright-stemmed Euphorbia resinifera to add rhythm to the composition.